求翻译：恒温磁力搅拌器操作简单，运行平稳，无极调速，数显控温，能在较广的速度范围内对液体进行精密稳定的搅拌，特别适合小体积的样品，是化工、医药卫生、环保、教育科研的实验室常备工具。是什么意思？

Constant temperature magnetic stirrer is simple, smooth running, stepless speed, digital display temperature control, within the broader speed range on a liquid mix of precision and stability, especially for small volume samples, is the chemical industry, medicine and health, environmental protection, education and scientific research laboratory-standing tools.